3VN3

Fungal antifreeze protein exerts hyperactivity by constructing an inequable beta-helix


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION62930.1M Bis-Tris, 1.0M ammonium sulfate, 0.1M sodium chloride, pH 6.0, VAPOR DIFFUSION, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.2344.87

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 38.89α = 81.53
b = 41.63β = 83.13
c = 70.25γ = 62.43
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 2102007-03-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL44B20.7000SPring-8BL44B2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
10.9534.4195.50.0619.98.62322895
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
10.951920.39627.132714

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUT0.9534.412205861170095.530.113020.112140.12948RANDOM9.482
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
0.38-0.1-0.01-0.170.25-0.19
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.766
r_dihedral_angle_3_deg10.333
r_sphericity_free10.033
r_dihedral_angle_4_deg8.036
r_dihedral_angle_1_deg6.721
r_sphericity_bonded4.372
r_scangle_it3.829
r_scbond_it2.838
r_mcangle_it2.217
r_angle_refined_deg1.851
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.766
r_dihedral_angle_3_deg10.333
r_sphericity_free10.033
r_dihedral_angle_4_deg8.036
r_dihedral_angle_1_deg6.721
r_sphericity_bonded4.372
r_scangle_it3.829
r_scbond_it2.838
r_mcangle_it2.217
r_angle_refined_deg1.851
r_mcbond_it1.485
r_rigid_bond_restr1.416
r_chiral_restr0.121
r_bond_refined_d0.017
r_gen_planes_refined0.011
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3128
Nucleic Acid Atoms
Solvent Atoms815
Heterogen Atoms28

Software

Software
Software NamePurpose
HKL-2000data collection
SOLVEphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling